keyword
Monthly search volume and cost-per-click data for "pd prescription glasses" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| pupillary distance | 27,100 | $4.03 | 18/20 |
| how to measure pupillary distance | 14,800 | $3.87 | 18/20 |
| average pupillary distance | 6,600 | $4.22 | 17/20 |
| what is pd in eye prescription | 4,400 | $5.53 | 20/20 |
| what is pd in glasses | 3,600 | $5.83 | 19/20 |
| how to measure pd for glasses | 3,600 | $4.36 | 17/20 |
| what is pd glasses | 3,600 | $5.83 | 17/20 |
| what is pd on eye prescription | 2,900 | $6.23 | 19/20 |
| pd eye prescription | 2,400 | $4.4 | 20/20 |
| average pd for glasses | 1,000 | $4.4 | 17/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt